################homework-3
import random
num = 100
for i in range(num):
    str_num = str()
    str_num = str(i).zfill(6)
##################create 10 char
    str_char = str()
    lst_char=list(range(97,123))
    for i in range(10):
        str_char += chr(random.choice(lst_char))
###############mearge str
    str_all=str()
    str_all= str_num + '.' + str_char
    print(str_all)


# 完成的不错
